Merge pull request #22 from marioskogias/ssl-support

Add TLS support for symmetric agent

.gitignore

@@ -6,6 +6,7 @@
 [._]s[a-rt-v][a-z]
 [._]ss[a-gi-z]
 [._]sw[a-p]
+tags
 
 # just this for emacs by default
 *~
@@ -40,6 +41,7 @@ agents/redis_loader
 agents/t_rpclib_agent
 agents/t_tcp_agent
 build/
+.eggs/
 
 # CLion default cmake build directories
 cmake-build-*/

agents/CMakeLists.txt

@@ -32,6 +32,8 @@ set(THREADS_PREFER_PTHREAD_FLAG ON)
 find_package(Threads REQUIRED)
 find_library(LIBRT rt REQUIRED)
 find_library(LIBM m REQUIRED)
+find_library(LIB_SSL ssl REQUIRED)
+find_library(LIB_CRYPTO crypto REQUIRED)
 
 find_library(LIBCONFIG config)
 if(NOT LIBM)
@@ -83,7 +85,7 @@ target_sources( agent PRIVATE
         ${RAND_SRCS}
         "agent.c" "args.c"
         "app_proto.c"
-        "tp_tcp.c" "tp_udp.c" "key_gen.c"
+        "tp_tcp.c" "tp_udp.c" "tp_ssl.c" "key_gen.c"
         "stats.c" "timestamping.c" "redis.c" "memcache.c"
         ${HTTP_SOURCES}
         ${R2P2_TP_SOURCE}
@@ -94,7 +96,7 @@ target_include_directories( agent PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}" )
 target_link_libraries( agent PRIVATE lancet )
 target_compile_options(agent PRIVATE ${COMMON_CFLAGS} ${ENABLE_R2P2} ${ENABLE_R2P2_NIC_TS})
 target_link_libraries( agent PRIVATE
-  Threads::Threads ${LIBM} ${LIBRT} )
+  Threads::Threads ${LIBM} ${LIBRT} ${LIB_SSL} ${LIB_CRYPTO})
 if(BUILD_R2P2)
   target_link_libraries( agent PRIVATE r2p2 ${LIBCONFIG})
 endif()

agents/args.c

@@ -46,6 +46,9 @@ init_transport_protocol(enum transport_protocol_type tp_type)
 	case UDP:
 		res = init_udp();
 		break;
+	case TLS:
+		res = init_tls();
+		break;
 #ifdef ENABLE_R2P2
 	case R2P2:
 		res = init_r2p2();
@@ -123,6 +126,8 @@ struct agent_config *parse_arguments(int argc, char **argv)
 #endif
 			else if (strcmp(optarg, "UDP") == 0)
 				cfg->tp_type = UDP;
+			else if (strcmp(optarg, "TLS") == 0)
+				cfg->tp_type = TLS;
 			else {
 				lancet_fprintf(stderr, "Unknown transport protocol\n");
 				return NULL;